Warrants (Details) - $ / shares	Jun. 30, 2022	Dec. 31, 2021
Warrants outstanding and warrant activity
Warrants outstanding	500,108	500,108
Warrant exercise price range one [member]
Warrants
Warrant exercise price (in dollars per share)	$ 2.25
Warrants outstanding and warrant activity
Warrants outstanding	26	26
Warrant exercise price range two [member]
Warrants
Warrant exercise price (in dollars per share)	$ 24.00
Warrants outstanding and warrant activity
Warrants outstanding	26,189	26,189
Warrant exercise price range three [member]
Warrants
Warrant exercise price (in dollars per share)	$ 2.25
Warrants outstanding and warrant activity
Warrants outstanding	3,522	3,522
Warrant exercise price range four [member]
Warrants
Warrant exercise price (in dollars per share)	$ 24.00
Warrants outstanding and warrant activity
Warrants outstanding	120,407	120,407
Warrant exercise price range five [member]
Warrants
Warrant exercise price (in dollars per share)	$ 2.25
Warrants outstanding and warrant activity
Warrants outstanding	4,974	4,974
Warrant exercise price range six [member]
Warrants
Warrant exercise price (in dollars per share)	$ 30.00
Warrants outstanding and warrant activity
Warrants outstanding	7,306	7,306
Warrant exercise price range seven [member]
Warrants
Warrant exercise price (in dollars per share)	$ 3.00
Warrants outstanding and warrant activity
Warrants outstanding	244,500	244,500
Warrant exercise price range eight [member]
Warrants
Warrant exercise price (in dollars per share)	$ 6.54375
Warrants outstanding and warrant activity
Warrants outstanding	16,953	16,953
Warrant exercise price range nine [member]
Warrants
Warrant exercise price (in dollars per share)	$ 6.75450
Warrants outstanding and warrant activity
Warrants outstanding	46,263	46,263
Warrant exercise price range ten [member]
Warrants
Warrant exercise price (in dollars per share)	$ 6.77850
Warrants outstanding and warrant activity
Warrants outstanding	29,968	29,968